wheee! turns out I just needed to change it to mmcblk1p2. Weird. Android booting screen now.
This kernel version 2.6.28-omap1 is not supported Please make sure that kernel-power is installed and running. If you have just installed the kernel, you need to shutdown and boot to activate it. To reinstall the power user kernel run: 'apt-get install --reinstall kernel-power kernel-power-flasher'